After downloading the plugin, it automatically registers itself in Autodesk 3DS, and adds the new top level menu SimLab Soft with PDF Importer sub menu. The
user will be able to import 3D PDF files by clicking the menu SimLab -> PDF Importer -> Import PDF File..

The Import
window will open, select 3D PDF as the file type to be imported, then browse to the file folder and open it.